点(2,-3,1)关于原点的对称点为()
A: (-2,3,-1)
B: (2,-3,-1)
C: (-2,-3,-1)
D: (-2,3,1)
A: (-2,3,-1)
B: (2,-3,-1)
C: (-2,-3,-1)
D: (-2,3,1)
举一反三
- 点M(2,-3,1)关于坐标原点对称的点是( ) A: (-2,3,-1) B: (-2,-3,-1) C: (2,-3,-1) D: (-2,3,1)
- 点M(2,−3,1)关于坐标原点o及平面xoy的对称点分别是 A: (−2,3,−1)及(2,3,1) B: (−2,3,−1)及(2,−3,−1) C: (2,−3,−1)及(−2,−3,−1) D: (−2,−3,−1)及(2,−3,−1)
- 点M(2,-3,1)关于yoz平面的对称点是()。 A: (-2,3,-1) B: (-2,-3,-1) C: (-2,-3,1) D: (-2,3,1)
- 点M(2, 1, 3)关于坐标原点的对称点坐标是() A: (-2, -1, -3) B: (-2, 1, -3) C: (2, -1, -3) D: (-2, 1, 3)
- 点(1, 2, 3)关于坐标原点O对称的点的坐标为( ) A: (-1, -2, -3) B: (-1, -2, 3) C: (1, 2, -3) D: (1, 2, 3)